參數資料
型號： PIC16F872-E/SS
廠商： Microchip Technology
文件頁數： 163/167頁
文件大?。?/td> 0K
描述： IC MCU CMOS 20MHZ 2K FLSH 28SSOP
產品培訓模塊： Asynchronous Stimulus
標準包裝： 47
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，SPI
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數： 22
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 64 x 8
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數據轉換器： A/D 5x10b
振蕩器型： 外部
工作溫度： -40°C ~ 125°C
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
包裝： 管件
95
8048C–AVR–02/12
ATtiny43U
12.9.3
TCCR0B – Timer/Counter Control Register B
12.9.4
TCCR1B – Timer/Counter Control Register B
Bit 7 – FOCnA: Force Output Compare A
The FOCnA bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCRnB is written when operating in PWM mode. When writing a logical one to the FOCnA bit,
an immediate Compare Match is forced on the Waveform Generation unit. The OCnA output is
changed according to its COMnA[1:0] bits setting. Note that the FOCnA bit is implemented as a
strobe. Therefore it is the value present in the COMnA[1:0] bits that determines the effect of the
forced compare.
A FOCnA strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCRnA as TOP.
The FOCnA bit is always read as zero.
Bit 6 – FOCnB: Force Output Compare B
The FOCnB bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR0B is written when operating in PWM mode. When writing a logical one to the FOCnB bit,
an immediate Compare Match is forced on the Waveform Generation unit. The OCnB output is
changed according to its COMnB[1:0] bits setting. Note that the FOCnB bit is implemented as a
strobe. Therefore it is the value present in the COMnB[1:0] bits that determines the effect of the
forced compare.
A FOCnB strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCRnB as TOP.
The FOCnB bit is always read as zero.
Bits 5:4 – Res: Reserved Bits
These bits are reserved and will always read zero.
Bit 3 – WGMn2: Waveform Generation Mode
See the description in the “Register Description” on page 92.
Bits 2:0 – CSn[2:0]: Clock Select
Bit
7
6
5
4
3
2
1
0
FOC0A
FOC0B
–
WGM02
CS02
CS01
CS00
TCCR0B
Read/Write
W
R
R/W
Initial Value
0
Bit
7
6
5
4
3
2
1
0
FOC1A
FOC1B
––
WGM12
CS12
CS11
CS10
TCCR1B
Read/Write
W
R
R/W
Initial Value
0
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相關代理商/技術參數
參數描述
PIC16F872-I/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F872-I/SO 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 16F872 SOIC28
PIC16F872-I/SOG 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O Lead Free Package RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F872-I/SP 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F872-I/SP 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 16F872 SDIL28
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